The diagram shows a muscle force (Fm) required to hold a weight (Fw) in the hand, with the forearm weight of Fa. If... • the forearm weight (Få) is 37 N, forming an angle (theta) with the forearm of 65 degrees as shown. This force is located 15 cm from the elbow. • the dumbbell weight (Fw) is 182 N, forming an angle (theta) with the forearm of 65 degrees as shown. This force is located 38 cm from the elbow. • the muscle force (F) forms an angle (theta) with the forearm of 60 degrees as shown. This muscle inserts into the forearm 5 cm from the elbow. then what is the muscle force (Fm), in N, required to hold this static position? Report values to whole units (e.g. 101 N). You are allowed a margin of error of 20 N due to rounding.

Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter32: Inductance
Section: Chapter Questions
Problem 32.9CQ
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Fm
03
Elbow
da
dm
dw
0.
Fa
Ow
Fw
Transcribed Image Text:Fm 03 Elbow da dm dw 0. Fa Ow Fw
The diagram shows a muscle force (Fm) required to hold a weight (Fw) in the
hand, with the forearm weight of Fa.
If...
• the forearm weight (Fa) is 37 N, forming an angle (theta) with the forearm
of 65 degrees as shown. This force is located 15 cm from the elbow.
• the dumbbell weight (Fw) is 182 N, forming an angle (theta) with the
forearm of 65 degrees as shown. This force is located 38 cm from the
elbow.
• the muscle force (Fm) forms an angle (theta) with the forearm of 60
degrees as shown. This muscle inserts into the forearm 5 cm from the
elbow.
... then what is the muscle force (Fm), in N, required to hold this static
position?
Report values to whole units (e.g. 101 N). You are allowed a margin of error of
20 N due to rounding.
Transcribed Image Text:The diagram shows a muscle force (Fm) required to hold a weight (Fw) in the hand, with the forearm weight of Fa. If... • the forearm weight (Fa) is 37 N, forming an angle (theta) with the forearm of 65 degrees as shown. This force is located 15 cm from the elbow. • the dumbbell weight (Fw) is 182 N, forming an angle (theta) with the forearm of 65 degrees as shown. This force is located 38 cm from the elbow. • the muscle force (Fm) forms an angle (theta) with the forearm of 60 degrees as shown. This muscle inserts into the forearm 5 cm from the elbow. ... then what is the muscle force (Fm), in N, required to hold this static position? Report values to whole units (e.g. 101 N). You are allowed a margin of error of 20 N due to rounding.
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